package com.atguigu.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.atguigu.commonUtils.R;
import com.atguigu.servicebase.exceptionhandler.GuliException;
import com.atguigu.vod.service.VodService;
import com.atguigu.vod.utils.ConstantVodUtils;
import com.atguigu.vod.utils.InitVodClient;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {

    /**
     * 上传视频到阿里云
     *
     * @param file
     * @return
     */
    @Override
    public String uploadAliYunVideo(MultipartFile file) {
//        String accessKeyId = ""; //ID
//        String accessKeySecret = ""; //密钥

        try {
            String fileName = file.getOriginalFilename(); //上传文件的原始名称
            String title = fileName.substring(0, fileName.lastIndexOf(".")); //上传之后显示的名称

            InputStream inputStream = null;//上传文件的输入流
            inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);
            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;

            if (response.isSuccess()) {

                videoId = response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
            }

            return videoId;
        } catch (IOException e) {
            e.printStackTrace();
            return null;

        }


    }

    /**
     * 删除多个阿里云视频的方法
     *
     * @param videoIdList
     */
    @Override
    public void removeMoreALiYunVideo(List videoIdList) {
        try {
            //初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID,
                    ConstantVodUtils.ACCESS_KEY_SECRET);
            //创建一个删除视频的request对象
            DeleteVideoRequest request = new DeleteVideoRequest();
            //向request里面设置视频ID

            //videoIdList值转换成 1，2，3
            String videoIds = StringUtils.join(videoIdList.toArray(), ",");

            request.setVideoIds(videoIds);
            //调用初始化对象的方法 实现删除
            client.getAcsResponse(request);
        } catch (Exception e) {
            e.printStackTrace();
            throw new GuliException(20001, "删除视频失败");
        }
    }

//    public static void main(String[] args) {
//        ArrayList<String> list = new ArrayList<>();
//        list.add("11");
//        list.add("22");
//        list.add("33");
//
//        //11,22,33 Apache包下的StringUtils
//        String join = StringUtils.join(list.toArray(), ",");
//        System.out.println(join);
//    }
}
